* {
  margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body {
  font-size: 14px;
  line-height: 2;
  background-color: #f8fafc;
  color: #555;
	font-family: "Microsoft YaHei","宋体","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif, FreeSans, Arimo;
}
h1 {
  margin: 20px 0 10px;
  line-height: 1.5;
}
p {
  text-align: justify;
  text-indent: 2em;
  margin-top: 10px;
}
.post-expand {
  width:800px;
  margin: 50px auto;
  padding: 40px;
  border: 1px solid #e5e5e5;
  border-radius: 5px;
  background-color: #fff;
  box-shadow: 0 0 10px 2px #e5e5e5;
}
.post-expand .post:first-child {
  margin-top: 0;
}
.post-title, .post-meta {
  text-align: center;
}
.post-expand .post-title {
  position: relative;
  font-size: 24px;
  font-weight: 400;
  word-break: break-word;
}
.post-expand .post-meta {
  color: #999;
  font-size: 12px;
  margin-bottom: 25px;
}
.post-body {
  padding: 15px 30px;
  background-color: #f7f7f7;
  border-radius: 5px;
}
.info_404 {
  display: none;
  width: 600px;
  margin: 120px auto;
  line-height: 1.8;
}
.info_404 .image {
  float: left;
  width: 160px;
  height: 151px;
  margin-right: 40px;
  background: url(http://www.17sucai.com/preview/586222/2016-07-23/404/404/error.png) 0 0 no-repeat;
}
.info_404 .title {
  color: #666;
  font-size: 18px;
  padding: 30px;
}
.info_404 .oper a{
  color: #06c;
  font-size: 14px;
}